Hazard Class 4: Flammable Solids

Type	Common Examples	Domestic		International	Domestic Mail		Maximum Amount Permitted in Mail	Additional Information
Type	Common Examples	Air	Surface	International	DMM	PUB 52	Maximum Amount Permitted in Mail	Additional Information
Flammable Matches	Book matches	N	Y	N	601.10.14	344.3b	601.10.14	Must be properly packaged.
Flammable Matches	Strike anywhere matches	N	N	N	601.10.14	344.21	601.10.14	Prohibited
Spontaneously Combustible	Iron oxide	N	Y	N	601.10.14	344.1b	601.10.14	ORM-D or limited quantity only.
Dangerous When Wet	Calcium, lithium	N	Y	N	601.10.14	344.1c	601.10.14	ORM-D or limited quantity only.